Finding the Fourth Proportional to 80,881.73, 111,603.69 and 45,070.82

Step by Step Solution

1. Step 1: Write the proportion equation
   80,881.73 : 111,603.69 = 45,070.82 : x
2. Step 2: Convert to fraction form
   80,881.73/111,603.69 = 45,070.82/x
3. Step 3: Cross multiply
   80,881.73x = 111,603.69 × 45,070.82
4. Step 4: Simplify right side
   80,881.73x = 5,030,069,823.33
5. Step 5: Solve for x
   x = 5,030,069,823.33/80,881.73
6. Step 6: Final answer
   x = 62,190.43